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#!/usr/bin/perl
use warnings;
use strict;
use lib '.'; # For use in nonstandard directory, munged by Makefile.
use IkiWiki;
use IkiWiki::Plugin::comments;
sub usage () {
die gettext("usage: ikiwiki-comment pagefile"), "\n";
}
sub main {
my $pagefile=shift || usage ();
my $dir=get_dir($pagefile);
my $page=get_page($pagefile);
IkiWiki::Plugin::comments::checkconfig();
my $comment_num=1+IkiWiki::Plugin::comments::num_comments($page, $dir);
chomp(my $content = join('', <STDIN>)) unless -t STDIN;
my $comment=get_comment(get_username(), $comment_num, $content);
# This will yield a hash of the comment before it's edited,
# but that's ok; the date provides sufficient entropy to avoid collisions,
# and the hash of a comment does not need to match its actual content.
# Doing it this way avoids needing to move the file to a final
# location after it's edited.
my $location=IkiWiki::Plugin::comments::unique_comment_location($page, $comment, $dir)."._comment";
IkiWiki::writefile($location, $dir, $comment);
exec_editor("$dir/$location") if -t STDIN;
}
sub get_dir {
my ($file) = @_;
my $dir=IkiWiki::dirname($file);
$dir="." unless length $dir;
return $dir;
}
sub get_page {
my ($file) = @_;
my $page=IkiWiki::basename($file);
$page=~s/\.[^.]+$// unless -d $file;
return $page;
}
sub get_username {
my $username = getpwuid($<);
$username="" unless defined $username;
return $username;
}
sub get_comment {
my ($username, $comment_num, $content) = @_;
$content = '' unless defined $content;
my $comment="[[!comment format=mdwn\n";
$comment.=" username=\"$username\"\n";
$comment.=" subject=\"\"\"comment $comment_num\"\"\"\n";
$comment.=" " . IkiWiki::Plugin::comments::commentdate() . "\n";
$comment.=" content=\"\"\"\n$content\n\"\"\"]]\n";
return $comment;
}
sub exec_editor {
my ($file) = @_;
my @editor="vi";
if (-x "/usr/bin/editor") {
@editor="/usr/bin/editor";
}
if (exists $ENV{EDITOR}) {
@editor=split(' ', $ENV{EDITOR});
}
if (exists $ENV{VISUAL}) {
@editor=split(' ', $ENV{VISUAL});
}
exec(@editor, $file);
}
main(@ARGV);
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